123897533 has 2 divisors, whose sum is σ = 123897534. Its totient is φ = 123897532.

The previous prime is 123897469. The next prime is 123897551. The reversal of 123897533 is 335798321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107267449 + 16630084 = 10357^2 + 4078^2 .

It is a cyclic number.

It is not a de Polignac number, because 123897533 - 2⁶ = 123897469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123897563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61948766 + 61948767.

It is an arithmetic number, because the mean of its divisors is an integer number (61948767).

Almost surely, 2^123897533 is an apocalyptic number.

It is an amenable number.

123897533 is a deficient number, since it is larger than the sum of its proper divisors (1).

123897533 is an equidigital number, since it uses as much as digits as its factorization.

123897533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 123897533 is about 11130.9268706609. The cubic root of 123897533 is about 498.5257011585.

The spelling of 123897533 in words is "one hundred twenty-three million, eight hundred ninety-seven thousand, five hundred thirty-three".